/// <summary>
/// get the collection of all items, sorted by the provided index.
/// </summary>
/// <param name="ascending"></param>
/// <returns></returns>
public ValueCollection <TKey, TValue> ItemCollection(string indexFieldOrPropertyName, bool ascending)
{
IIndex <TValue> index = this.Indexes.getIndex(indexFieldOrPropertyName);
ValueCollection <TKey, TValue> collection = new ValueCollection <TKey, TValue>(this, index.AllItems(ascending).GetEnumerator());
return(collection);
}
/// <summary>
/// get the collection of all items, sorted by primary key.
/// Warning, Thread-unsafe. used in a multithread sitaution is not guarantee.
/// </summary>
/// <param name="ascending"></param>
/// <returns></returns>
public ValueCollection <TKey, TValue> ItemCollection(bool ascending = true)
{
ValueCollection <TKey, TValue> collection = new ValueCollection <TKey, TValue>(this, this.primaryIndex.allItemCollection(ascending).GetEnumerator());
return(collection);
}